Kalendaryo ng Karera Phillip Island Grand Prix Circuit 2021
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 12 March - 14 March | Porsche Sprint Challenge Australia Natapos | Round 1 | |
| 12 March - 14 March | Porsche 944 Challenge Natapos | Round 2 | |
| 12 March - 14 March | Porsche Michelin Sprint Challenge Australia Natapos | Round 1 | |
| 15 May - 16 May | Porsche 944 Challenge Natapos | Round 4 | |
| 25 September - 26 September | Porsche 944 Challenge Natapos | Round 7 | |
| 22 October - 24 October | Porsche Carrera Cup Australia Natapos | Round 7 | Bass Coast Festival of Motorsport |
| 23 October - 24 October | Supercars Championship Natapos | Round 17 | Bass Coast Festival of Motorsport |
| 27 November - 28 November | Porsche 944 Challenge Natapos | Round 5 |